Document Overview

This document contains proprietary technical drawings and specifications from The Hilliard Corporation related to valve flow displays and valve components. The drawings were created using Autodesk Inventor and are dated August 28, 2015. The document emphasizes confidentiality and restricts disclosure or use without written permission from The Hilliard Corporation.

General Specifications

• Dimensions are primarily in inches unless otherwise specified.
• Microinch precision is used for surface finish specifications.
• Dimensional tolerances are indicated for fractional, decimal (two and three places), and angular measurements.
• Corner breaks have a maximum specified value.
• Revision level is 0, indicating the initial release of the drawings.

Document Identification

• Document codes: HSK-3799D and HSK-3800D.
• Drawn and checked by HILCO Engineering personnel.
• Location: 100 West Fourth Street, Elmira, New York 14902.

Valve Flow Display

The drawings include detailed valve flow displays for various valve sizes ranging from 1.5 inches to 8 inches. These displays illustrate the relationship between flow rate (in gallons per minute, gpm) and pressure drop (in psi differential, psid) across the valves.

Key Parameters

• Flow rates range from 0 to approximately 5 gpm on the linear scale and up to 1000 gpm on the logarithmic scale.
• Pressure drop is plotted against flow for different valve sizes: 1.5", 2", 3", 4", 6", and 8".
• Two fluid viscosities are considered: 100 SUS (Saybolt Universal Seconds) and 500 SUS, indicating different fluid thicknesses affecting pressure drop.

Graphical Data Summary

The pressure drop versus flow curves show that larger valve sizes allow higher flow rates with lower pressure drops. Increased fluid viscosity (500 SUS) results in higher pressure drops compared to lower viscosity (100 SUS) at the same flow rates.

Critical Information and Best Practices

• All dimensions and tolerances must be strictly adhered to for proper valve function and interchangeability.
• Surface finish and corner break specifications are critical to ensure sealing and mechanical integrity.
• Pressure drop data should be used to select appropriate valve sizes for given flow rates and fluid viscosities to optimize system performance.
• Confidentiality and proprietary restrictions must be respected when handling or sharing this document.